README: Fix broken URLs

Change-Id: Ie25ad7483cd55c398d6c9b8be3b8785754c31fa4
Add RC5 manifest

Change-Id: I9d069dd28f5096bf79efc5da9f43aebaea7ff796
Add media-caf repository

Change-Id: Ife61fe260c159aa09e8debb3a81a83533573e337
Add cm-10.1.0 manifest

Change-Id: I95505aba6089e965207a640b1285147cb83065d2
Add manifest for 10.1.0.1 maintenance releases

Change-Id: I50932ad6cd6e5b0295745eef8b7b60b2eb482652
Make the maintenance-release manifest a bit more generic

Change-Id: Icb97d70acc7c8af4beb329551131dc2c4fb3d8cc
Bump d2vzw release to 10.1.0.2

Change-Id: I0a41649e9843a106e0c40acef3bb230c9dbcf9ea
Bump d2vzw again

Change-Id: I1cf0a3c1bb74ec664e52c4a0e7dfa5281ba80158
add google external bits

Change-Id: I57764e7665966d245d6a5a2a2c9fdfa71b8aa89e